. 2014 Aug 14;9(8):e102829. doi: 10.1371/journal.pone.0102829
© 2014 Leo et al
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Figure 2. A reflection maps the location 
to location 
.
